forked from midou/invidious
579 lines
19 KiB
Crystal
579 lines
19 KiB
Crystal
require "crypto/bcrypt/password"
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# Materialized views may not be defined using bound parameters (`$1` as used elsewhere)
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MATERIALIZED_VIEW_SQL = ->(email : String) { "SELECT cv.* FROM channel_videos cv WHERE EXISTS (SELECT subscriptions FROM users u WHERE cv.ucid = ANY (u.subscriptions) AND u.email = E'#{email.gsub({'\'' => "\\'", '\\' => "\\\\"})}') ORDER BY published DESC" }
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struct User
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include DB::Serializable
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property updated : Time
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property notifications : Array(String)
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property subscriptions : Array(String)
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property email : String
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@[DB::Field(converter: User::PreferencesConverter)]
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property preferences : Preferences
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property password : String?
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property token : String
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property watched : Array(String)
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property feed_needs_update : Bool?
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module PreferencesConverter
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def self.from_rs(rs)
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begin
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Preferences.from_json(rs.read(String))
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rescue ex
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Preferences.from_json("{}")
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end
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end
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end
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end
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struct Preferences
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include JSON::Serializable
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include YAML::Serializable
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property annotations : Bool = CONFIG.default_user_preferences.annotations
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property annotations_subscribed : Bool = CONFIG.default_user_preferences.annotations_subscribed
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property autoplay : Bool = CONFIG.default_user_preferences.autoplay
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property automatic_instance_redirect : Bool = CONFIG.default_user_preferences.automatic_instance_redirect
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@[JSON::Field(converter: Preferences::StringToArray)]
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@[YAML::Field(converter: Preferences::StringToArray)]
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property captions : Array(String) = CONFIG.default_user_preferences.captions
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@[JSON::Field(converter: Preferences::StringToArray)]
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@[YAML::Field(converter: Preferences::StringToArray)]
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property comments : Array(String) = CONFIG.default_user_preferences.comments
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property continue : Bool = CONFIG.default_user_preferences.continue
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property continue_autoplay : Bool = CONFIG.default_user_preferences.continue_autoplay
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@[JSON::Field(converter: Preferences::BoolToString)]
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@[YAML::Field(converter: Preferences::BoolToString)]
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property dark_mode : String = CONFIG.default_user_preferences.dark_mode
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property latest_only : Bool = CONFIG.default_user_preferences.latest_only
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property listen : Bool = CONFIG.default_user_preferences.listen
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property local : Bool = CONFIG.default_user_preferences.local
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property vr_mode : Bool = CONFIG.default_user_preferences.vr_mode
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@[JSON::Field(converter: Preferences::ProcessString)]
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property locale : String = CONFIG.default_user_preferences.locale
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@[JSON::Field(converter: Preferences::ClampInt)]
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property max_results : Int32 = CONFIG.default_user_preferences.max_results
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property notifications_only : Bool = CONFIG.default_user_preferences.notifications_only
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@[JSON::Field(converter: Preferences::ProcessString)]
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property player_style : String = CONFIG.default_user_preferences.player_style
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@[JSON::Field(converter: Preferences::ProcessString)]
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property quality : String = CONFIG.default_user_preferences.quality
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@[JSON::Field(converter: Preferences::ProcessString)]
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property quality_dash : String = CONFIG.default_user_preferences.quality_dash
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property default_home : String? = CONFIG.default_user_preferences.default_home
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property feed_menu : Array(String) = CONFIG.default_user_preferences.feed_menu
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property related_videos : Bool = CONFIG.default_user_preferences.related_videos
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@[JSON::Field(converter: Preferences::ProcessString)]
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property sort : String = CONFIG.default_user_preferences.sort
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property speed : Float32 = CONFIG.default_user_preferences.speed
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property thin_mode : Bool = CONFIG.default_user_preferences.thin_mode
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property unseen_only : Bool = CONFIG.default_user_preferences.unseen_only
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property video_loop : Bool = CONFIG.default_user_preferences.video_loop
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property extend_desc : Bool = CONFIG.default_user_preferences.extend_desc
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property volume : Int32 = CONFIG.default_user_preferences.volume
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module BoolToString
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def self.to_json(value : String, json : JSON::Builder)
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json.string value
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end
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def self.from_json(value : JSON::PullParser) : String
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begin
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result = value.read_string
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if result.empty?
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CONFIG.default_user_preferences.dark_mode
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else
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result
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end
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rescue ex
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if value.read_bool
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"dark"
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else
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"light"
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end
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end
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end
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def self.to_yaml(value : String, yaml : YAML::Nodes::Builder)
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yaml.scalar value
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end
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def self.from_yaml(ctx : YAML::ParseContext, node : YAML::Nodes::Node) : String
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unless node.is_a?(YAML::Nodes::Scalar)
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node.raise "Expected scalar, not #{node.class}"
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end
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case node.value
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when "true"
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"dark"
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when "false"
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"light"
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when ""
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CONFIG.default_user_preferences.dark_mode
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else
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node.value
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end
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end
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end
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module ClampInt
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def self.to_json(value : Int32, json : JSON::Builder)
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json.number value
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end
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def self.from_json(value : JSON::PullParser) : Int32
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value.read_int.clamp(0, MAX_ITEMS_PER_PAGE).to_i32
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end
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def self.to_yaml(value : Int32, yaml : YAML::Nodes::Builder)
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yaml.scalar value
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end
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def self.from_yaml(ctx : YAML::ParseContext, node : YAML::Nodes::Node) : Int32
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node.value.clamp(0, MAX_ITEMS_PER_PAGE)
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end
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end
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module FamilyConverter
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def self.to_yaml(value : Socket::Family, yaml : YAML::Nodes::Builder)
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case value
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when Socket::Family::UNSPEC
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yaml.scalar nil
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when Socket::Family::INET
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yaml.scalar "ipv4"
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when Socket::Family::INET6
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yaml.scalar "ipv6"
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when Socket::Family::UNIX
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raise "Invalid socket family #{value}"
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end
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end
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def self.from_yaml(ctx : YAML::ParseContext, node : YAML::Nodes::Node) : Socket::Family
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if node.is_a?(YAML::Nodes::Scalar)
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case node.value.downcase
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when "ipv4"
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Socket::Family::INET
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when "ipv6"
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Socket::Family::INET6
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else
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Socket::Family::UNSPEC
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end
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else
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node.raise "Expected scalar, not #{node.class}"
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end
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end
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end
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module URIConverter
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def self.to_yaml(value : URI, yaml : YAML::Nodes::Builder)
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yaml.scalar value.normalize!
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end
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def self.from_yaml(ctx : YAML::ParseContext, node : YAML::Nodes::Node) : URI
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if node.is_a?(YAML::Nodes::Scalar)
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URI.parse node.value
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else
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node.raise "Expected scalar, not #{node.class}"
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end
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end
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end
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module ProcessString
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def self.to_json(value : String, json : JSON::Builder)
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json.string value
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end
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def self.from_json(value : JSON::PullParser) : String
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HTML.escape(value.read_string[0, 100])
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end
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def self.to_yaml(value : String, yaml : YAML::Nodes::Builder)
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yaml.scalar value
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end
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def self.from_yaml(ctx : YAML::ParseContext, node : YAML::Nodes::Node) : String
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HTML.escape(node.value[0, 100])
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end
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end
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module StringToArray
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def self.to_json(value : Array(String), json : JSON::Builder)
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json.array do
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value.each do |element|
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json.string element
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end
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end
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end
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def self.from_json(value : JSON::PullParser) : Array(String)
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begin
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result = [] of String
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value.read_array do
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result << HTML.escape(value.read_string[0, 100])
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end
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rescue ex
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result = [HTML.escape(value.read_string[0, 100]), ""]
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end
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result
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end
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def self.to_yaml(value : Array(String), yaml : YAML::Nodes::Builder)
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yaml.sequence do
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value.each do |element|
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yaml.scalar element
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end
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end
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end
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def self.from_yaml(ctx : YAML::ParseContext, node : YAML::Nodes::Node) : Array(String)
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begin
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unless node.is_a?(YAML::Nodes::Sequence)
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node.raise "Expected sequence, not #{node.class}"
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end
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result = [] of String
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node.nodes.each do |item|
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unless item.is_a?(YAML::Nodes::Scalar)
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node.raise "Expected scalar, not #{item.class}"
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end
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result << HTML.escape(item.value[0, 100])
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end
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rescue ex
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if node.is_a?(YAML::Nodes::Scalar)
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result = [HTML.escape(node.value[0, 100]), ""]
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else
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result = ["", ""]
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end
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end
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result
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end
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end
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module StringToCookies
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def self.to_yaml(value : HTTP::Cookies, yaml : YAML::Nodes::Builder)
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(value.map { |c| "#{c.name}=#{c.value}" }).join("; ").to_yaml(yaml)
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end
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def self.from_yaml(ctx : YAML::ParseContext, node : YAML::Nodes::Node) : HTTP::Cookies
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unless node.is_a?(YAML::Nodes::Scalar)
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node.raise "Expected scalar, not #{node.class}"
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end
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cookies = HTTP::Cookies.new
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node.value.split(";").each do |cookie|
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next if cookie.strip.empty?
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name, value = cookie.split("=", 2)
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cookies << HTTP::Cookie.new(name.strip, value.strip)
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end
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cookies
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end
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end
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end
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def get_user(sid, headers, db, refresh = true)
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if email = db.query_one?("SELECT email FROM session_ids WHERE id = $1", sid, as: String)
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user = db.query_one("SELECT * FROM users WHERE email = $1", email, as: User)
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if refresh && Time.utc - user.updated > 1.minute
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user, sid = fetch_user(sid, headers, db)
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user_array = user.to_a
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user_array[4] = user_array[4].to_json # User preferences
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args = arg_array(user_array)
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db.exec("INSERT INTO users VALUES (#{args}) \
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ON CONFLICT (email) DO UPDATE SET updated = $1, subscriptions = $3", args: user_array)
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db.exec("INSERT INTO session_ids VALUES ($1,$2,$3) \
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ON CONFLICT (id) DO NOTHING", sid, user.email, Time.utc)
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begin
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view_name = "subscriptions_#{sha256(user.email)}"
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db.exec("CREATE MATERIALIZED VIEW #{view_name} AS #{MATERIALIZED_VIEW_SQL.call(user.email)}")
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rescue ex
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end
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end
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else
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user, sid = fetch_user(sid, headers, db)
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user_array = user.to_a
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user_array[4] = user_array[4].to_json # User preferences
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args = arg_array(user.to_a)
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db.exec("INSERT INTO users VALUES (#{args}) \
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ON CONFLICT (email) DO UPDATE SET updated = $1, subscriptions = $3", args: user_array)
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db.exec("INSERT INTO session_ids VALUES ($1,$2,$3) \
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ON CONFLICT (id) DO NOTHING", sid, user.email, Time.utc)
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begin
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view_name = "subscriptions_#{sha256(user.email)}"
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db.exec("CREATE MATERIALIZED VIEW #{view_name} AS #{MATERIALIZED_VIEW_SQL.call(user.email)}")
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rescue ex
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end
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end
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return user, sid
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end
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def fetch_user(sid, headers, db)
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feed = YT_POOL.client &.get("/subscription_manager?disable_polymer=1", headers)
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feed = XML.parse_html(feed.body)
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channels = [] of String
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channels = feed.xpath_nodes(%q(//ul[@id="guide-channels"]/li/a)).compact_map do |channel|
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if {"Popular on YouTube", "Music", "Sports", "Gaming"}.includes? channel["title"]
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nil
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else
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channel["href"].lstrip("/channel/")
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end
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end
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channels = get_batch_channels(channels, db, false, false)
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email = feed.xpath_node(%q(//a[@class="yt-masthead-picker-header yt-masthead-picker-active-account"]))
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if email
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email = email.content.strip
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else
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email = ""
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end
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token = Base64.urlsafe_encode(Random::Secure.random_bytes(32))
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user = User.new({
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updated: Time.utc,
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notifications: [] of String,
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subscriptions: channels,
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email: email,
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preferences: Preferences.new(CONFIG.default_user_preferences.to_tuple),
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password: nil,
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token: token,
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watched: [] of String,
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feed_needs_update: true,
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})
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return user, sid
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end
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def create_user(sid, email, password)
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password = Crypto::Bcrypt::Password.create(password, cost: 10)
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token = Base64.urlsafe_encode(Random::Secure.random_bytes(32))
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user = User.new({
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updated: Time.utc,
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notifications: [] of String,
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subscriptions: [] of String,
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email: email,
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preferences: Preferences.new(CONFIG.default_user_preferences.to_tuple),
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password: password.to_s,
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token: token,
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watched: [] of String,
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feed_needs_update: true,
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})
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return user, sid
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end
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def generate_captcha(key, db)
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second = Random::Secure.rand(12)
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second_angle = second * 30
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second = second * 5
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minute = Random::Secure.rand(12)
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minute_angle = minute * 30
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minute = minute * 5
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hour = Random::Secure.rand(12)
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hour_angle = hour * 30 + minute_angle.to_f / 12
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if hour == 0
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hour = 12
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end
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clock_svg = <<-END_SVG
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<svg viewBox="0 0 100 100" width="200px" height="200px">
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<circle cx="50" cy="50" r="45" fill="#eee" stroke="black" stroke-width="2"></circle>
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<text x="69" y="20.091" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 1</text>
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<text x="82.909" y="34" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 2</text>
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<text x="88" y="53" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 3</text>
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<text x="82.909" y="72" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 4</text>
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<text x="69" y="85.909" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 5</text>
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<text x="50" y="91" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 6</text>
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<text x="31" y="85.909" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 7</text>
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<text x="17.091" y="72" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 8</text>
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<text x="12" y="53" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 9</text>
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<text x="17.091" y="34" text-anchor="middle" fill="black" font-family="Arial" font-size="10px">10</text>
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<text x="31" y="20.091" text-anchor="middle" fill="black" font-family="Arial" font-size="10px">11</text>
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<text x="50" y="15" text-anchor="middle" fill="black" font-family="Arial" font-size="10px">12</text>
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<circle cx="50" cy="50" r="3" fill="black"></circle>
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<line id="second" transform="rotate(#{second_angle}, 50, 50)" x1="50" y1="50" x2="50" y2="12" fill="black" stroke="black" stroke-width="1"></line>
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<line id="minute" transform="rotate(#{minute_angle}, 50, 50)" x1="50" y1="50" x2="50" y2="16" fill="black" stroke="black" stroke-width="2"></line>
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<line id="hour" transform="rotate(#{hour_angle}, 50, 50)" x1="50" y1="50" x2="50" y2="24" fill="black" stroke="black" stroke-width="2"></line>
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</svg>
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END_SVG
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image = ""
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convert = Process.run(%(rsvg-convert -w 400 -h 400 -b none -f png), shell: true,
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input: IO::Memory.new(clock_svg), output: Process::Redirect::Pipe) do |proc|
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image = proc.output.gets_to_end
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image = Base64.strict_encode(image)
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image = "data:image/png;base64,#{image}"
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end
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answer = "#{hour}:#{minute.to_s.rjust(2, '0')}:#{second.to_s.rjust(2, '0')}"
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answer = OpenSSL::HMAC.hexdigest(:sha256, key, answer)
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return {
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question: image,
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tokens: {generate_response(answer, {":login"}, key, db, use_nonce: true)},
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}
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end
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def generate_text_captcha(key, db)
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response = make_client(TEXTCAPTCHA_URL, &.get("/github.com/iv.org/invidious.json").body)
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response = JSON.parse(response)
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tokens = response["a"].as_a.map do |answer|
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generate_response(answer.as_s, {":login"}, key, db, use_nonce: true)
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end
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return {
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question: response["q"].as_s,
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tokens: tokens,
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}
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end
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def subscribe_ajax(channel_id, action, env_headers)
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headers = HTTP::Headers.new
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headers["Cookie"] = env_headers["Cookie"]
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html = YT_POOL.client &.get("/subscription_manager?disable_polymer=1", headers)
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cookies = HTTP::Cookies.from_client_headers(headers)
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html.cookies.each do |cookie|
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if {"VISITOR_INFO1_LIVE", "YSC", "SIDCC"}.includes? cookie.name
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if cookies[cookie.name]?
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cookies[cookie.name] = cookie
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else
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cookies << cookie
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end
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end
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end
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headers = cookies.add_request_headers(headers)
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if match = html.body.match(/'XSRF_TOKEN': "(?<session_token>[^"]+)"/)
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session_token = match["session_token"]
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headers["content-type"] = "application/x-www-form-urlencoded"
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post_req = {
|
|
session_token: session_token,
|
|
}
|
|
post_url = "/subscription_ajax?#{action}=1&c=#{channel_id}"
|
|
|
|
YT_POOL.client &.post(post_url, headers, form: post_req)
|
|
end
|
|
end
|
|
|
|
def get_subscription_feed(db, user, max_results = 40, page = 1)
|
|
limit = max_results.clamp(0, MAX_ITEMS_PER_PAGE)
|
|
offset = (page - 1) * limit
|
|
|
|
notifications = db.query_one("SELECT notifications FROM users WHERE email = $1", user.email,
|
|
as: Array(String))
|
|
view_name = "subscriptions_#{sha256(user.email)}"
|
|
|
|
if user.preferences.notifications_only && !notifications.empty?
|
|
# Only show notifications
|
|
|
|
args = arg_array(notifications)
|
|
|
|
notifications = db.query_all("SELECT * FROM channel_videos WHERE id IN (#{args}) ORDER BY published DESC", args: notifications, as: ChannelVideo)
|
|
videos = [] of ChannelVideo
|
|
|
|
notifications.sort_by! { |video| video.published }.reverse!
|
|
|
|
case user.preferences.sort
|
|
when "alphabetically"
|
|
notifications.sort_by! { |video| video.title }
|
|
when "alphabetically - reverse"
|
|
notifications.sort_by! { |video| video.title }.reverse!
|
|
when "channel name"
|
|
notifications.sort_by! { |video| video.author }
|
|
when "channel name - reverse"
|
|
notifications.sort_by! { |video| video.author }.reverse!
|
|
else nil # Ignore
|
|
end
|
|
else
|
|
if user.preferences.latest_only
|
|
if user.preferences.unseen_only
|
|
# Show latest video from a channel that a user hasn't watched
|
|
# "unseen_only" isn't really correct here, more accurate would be "unwatched_only"
|
|
|
|
if user.watched.empty?
|
|
values = "'{}'"
|
|
else
|
|
values = "VALUES #{user.watched.map { |id| %(('#{id}')) }.join(",")}"
|
|
end
|
|
videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM #{view_name} WHERE NOT id = ANY (#{values}) ORDER BY ucid, published DESC", as: ChannelVideo)
|
|
else
|
|
# Show latest video from each channel
|
|
|
|
videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM #{view_name} ORDER BY ucid, published DESC", as: ChannelVideo)
|
|
end
|
|
|
|
videos.sort_by! { |video| video.published }.reverse!
|
|
else
|
|
if user.preferences.unseen_only
|
|
# Only show unwatched
|
|
|
|
if user.watched.empty?
|
|
values = "'{}'"
|
|
else
|
|
values = "VALUES #{user.watched.map { |id| %(('#{id}')) }.join(",")}"
|
|
end
|
|
videos = PG_DB.query_all("SELECT * FROM #{view_name} WHERE NOT id = ANY (#{values}) ORDER BY published DESC LIMIT $1 OFFSET $2", limit, offset, as: ChannelVideo)
|
|
else
|
|
# Sort subscriptions as normal
|
|
|
|
videos = PG_DB.query_all("SELECT * FROM #{view_name} ORDER BY published DESC LIMIT $1 OFFSET $2", limit, offset, as: ChannelVideo)
|
|
end
|
|
end
|
|
|
|
case user.preferences.sort
|
|
when "published - reverse"
|
|
videos.sort_by! { |video| video.published }
|
|
when "alphabetically"
|
|
videos.sort_by! { |video| video.title }
|
|
when "alphabetically - reverse"
|
|
videos.sort_by! { |video| video.title }.reverse!
|
|
when "channel name"
|
|
videos.sort_by! { |video| video.author }
|
|
when "channel name - reverse"
|
|
videos.sort_by! { |video| video.author }.reverse!
|
|
else nil # Ignore
|
|
end
|
|
|
|
notifications = PG_DB.query_one("SELECT notifications FROM users WHERE email = $1", user.email, as: Array(String))
|
|
|
|
notifications = videos.select { |v| notifications.includes? v.id }
|
|
videos = videos - notifications
|
|
end
|
|
|
|
return videos, notifications
|
|
end
|